How to delete part of a video on Android: Complete guide

When filming bright moments of life on a smartphone, we often encounter a situation where the beginning or end of the recording turns out to be unsuccessful. A shaky camera, a stray finger blocking the lens, or just a long pause can ruin the overall experience of your video. Fortunately, modern technologies make it easy to correct this oversight directly on the device.

The procedure video trimming has become a standard feature for the Android operating system, which does not require the mandatory installation of third-party software. However, many users still find it difficult to figure out where exactly how to find the right tool and how to use the sliders correctly so as not to cut out unnecessary things. In this article we will analyze in detail all the editing methods.

Regardless of whether you use a flagship Samsung Galaxy or a budget device from Xiaomi, the algorithm of actions will be similar to the minimum differences in the interface. We will look at standard tools, professional editors, and even the command line for advanced users who want to preserve the maximum quality of the original file.

Using the built-in gallery editor

The fastest way to delete an unnecessary fragment is to use the pre-installed system capabilities. Almost every version of Android, from 9.0 onwards, has a basic video editor integrated into the Gallery or Google Photos app. This method is ideal for quick cutting without installing additional software.

To begin, open the file you are interested in and find the pencil icon or the “Edit” button. It is usually located at the bottom of the screen. After clicking, you will see a timeline that displays the entire video stream. Your task is to move the yellow or white markers to the desired time stamps, cutting off all excess at the edges.

It is important to understand the difference between saving a copy and overwriting a file. Some shells, for example One UI from Samsung, offer to save the changes as a new file, leaving the original untouched. Other systems, such as pure Android Google Pixel, can immediately apply the changes. Be careful when choosing an option so as not to accidentally lose the source material.

⚠️ Attention: Built-in editors often re-encode the video when saving. This may result in a slight loss of quality or increase in file size due to changes in bitrate.

If you need to cut out the middle of the video, and not just the edges, standard tools may not be effective. In this case, you will have to break the video into parts or use more advanced tools, which will be discussed below. However, for 80% of everyday tasks the built-in functionality is quite sufficient.

Professional applications for editing on a smartphone

When the built-in functions are not enough, specialized applications from the store come to the rescue. Google Play. They provide advanced tools: precise frame-by-frame trimming, applying effects, working with audio and support for various export formats. Choosing the right editor depends on your goals.

One ​​of the market leaders is the application KineMaster. It offers multi-track editing, allowing you to work with video, audio and graphics simultaneously. To remove part of a video, it uses the intuitive Split tool, which allows you to cut a clip anywhere and delete an unnecessary segment with one touch.

Another popular option is InShot. This app is famous for its simple interface that is optimized for social media. It's great for quickly preparing content for Instagram or TikTok. The user can easily trim the video, change its proportions and immediately share the result.

• 🎬 KineMaster - a powerful tool with support for chromakey and multiple layers.
• ✂️ InShot - an ideal choice for beginners and creating stories.
• 🎞️ CapCut - a free editor with a huge library of effects and music.
• 📱 YouCut - a lightweight editor without watermarks in free version.

When working with a third-party software, you should pay attention to the presence of watermarks. Many free versions of apps automatically add the developer's logo to the corner of the video. To remove it, you can often just watch a short ad or purchase a premium subscription. Always check your export settings before final saving.

How to cut the middle of a video without gluing

Removing a fragment from the middle of a video is a more difficult task than simply trimming the ends. If your in-house editor doesn't support the Cut function, you'll have to be tricky. The logic of the process is to divide the video into two parts and then combine the remaining fragments.

First set the slider to the beginning of the section to be deleted and execute the command to split or save the first part. Then move the marker to the end of the fragment you want to delete and save the second part. As a result, you will have two separate files that need to be glued back together. Some apps, like VN Video Editor, do this automatically within a single project.

In simpler galleries, you'll have to save "Part 1" and "Part 2" as new files, delete the original, and then use the "Create a Collage" or "Stitch Videos" feature to combine them into one continuous stream. This method requires more time and free memory, but allows you to achieve the desired result without installing heavy apps.

⚠️ Attention: When repeatedly saving and resaving video (especially in highly compressed formats), the image quality may degrade. Try to perform all operations in one pass in one application.

There is also a method for copying the timeline. You select an unnecessary area, click “Delete”, and the editor automatically moves the remaining parts towards each other. This function is available in most modern level applications CapCut i YouCut, making the process of removing the middle of a video as simple as trimming the edges.

Comparison of popular video editors for Android

To make it easier for you to choose a tool for work, we have compiled a comparative table of the main characteristics of popular applications. Pay attention to the presence of watermarks and support for various resolutions, as this is critical to the quality of the final video.

App	Free version	Watermark	Difficulty	Export 4K
Built-in gallery	Yes	No	Low	Depends on camera
KineMaster	Limited	Yes	Average	Yes
InShot	Yes	Removed by advertising	Low	Yes
CapCut	Yes	No (can be deleted)	Average	Yes
PowerDirector	Limited	Yes	High	Yes

As can be seen from the table, built-in tools often win in simplicity and the absence of intrusive advertising, but lose in functionality. For complex editing, where you need to accurately cut out camera shake or an unsuccessful take in the middle of a scene, it is better to choose CapCut or KineMaster.

It is also worth considering resource consumption. Heavy editors can put a lot of stress on the processor and cause the device to heat up when rendering long, high-resolution videos. If your smartphone does not have high performance, give preference to lightweight applications like YouCut.

Advanced methods: FFmpeg and command line

For users who want to gain full control over the process and avoid re-encoding, there is a powerful tool - FFmpeg. This is a console utility that allows you to manipulate media files at the binary level. On Android it can be launched through terminal emulators, such as Termux.

The main advantage of this method is speed and preservation of original quality. The trim command is executed instantly because the system simply copies the desired data packets without decoding and recompressing them. This is especially true for processing large files written in the format 4K 60fps.

To work, you will need to install Termux from F-Droid (the version on Google Play is outdated) and install the ffmpeg package with the command pkg install ffmpeg. After this, you can trim by specifying the start time and duration of the desired fragment.

ffmpeg -ss 00:00:10 -to 00:00:20 -i input.mp4 -c copy output.mp4

In this command, the parameter -ss indicates the start time of the cut piece, and -to the end time. The key -c copy is critical: it tells the app to copy streams without re-encoding. If you remove this switch, the process will take much longer, but will allow you to apply filters.

⚠️ Warning: Working with the command line requires precision. An error in command syntax can result in an empty file or data corruption. Always make a backup copy of the original before experimenting.

Why is FFmpeg better for large files?

In normal editing, the application decodes each frame, applies the changes, and encodes it again. It takes a long time and loses quality. FFmpeg with the copy key simply “cuts off” a piece of the file, like paper with scissors, without touching the contents of the frames.

Frequent problems and ways to solve them

During the editing process, users often encounter technical difficulties. The most common problem is out of sync between audio and video after trimming. This usually happens when working with variable bitrate (VBR) or when using incompatible codecs in cheap editors.

Another trouble is changing the video orientation. If you shot the video vertically and the editor is set to horizontal mode by default, black margins may appear or the video may be upside down when exporting. In such cases, you need to manually set the project parameters before starting editing, choosing the correct aspect ratio, for example 9:16 for TikTok.

Sometimes the application may crash when trying to save a long video. This indicates a lack of RAM. The solution may be to clean up the lantern processes or use cloud editors that do the processing on the server rather than on the device. Also try lowering the export resolution from 4K to 1080p.

If, after deleting part of the video, the file begins to weigh more than the original, do not be alarmed. This is normal if the editor has used a more efficient but less compressed codec, or if you have increased the bitrate to improve quality. Built-in cameras often heavily compress video to save space, and editors can compensate for this.

Questions and answers (FAQ)

Is it possible to delete part of the video without losing quality?

Yes, this is possible when using methods without recoding (lossless cut). Built-in editors and most applications from the Play Store re-encode the video, which leads to micro-losses. For ideal results, use specialized PC apps or console utilities on Android with the stream copy key.

Why does the video not play after trimming?

Most likely, the saving process was interrupted or the device ran out of space during rendering. Codec incompatibility is also possible. Try opening the file in another player, for example VLC for Android, which supports more formats than the standard player.

How to trim a video if there is no "Edit" button in the gallery?

Some manufacturers remove this function in basic firmware versions. In this case, the only solution is to install a third-party application. We recommend starting with Google Photosif it is installed, since its editor is often available even on devices of other brands.

Will the original video be deleted after trimming?

In most modern galleries, clicking the "Save" button will create a copy file, and the original remains in the album. However, some simple editors apply changes to the original file. Always check your settings or make a backup copy before editing.

Is it possible to restore the deleted part of the video?

No, if you have already saved the changes and deleted the original, it is impossible to restore the cut portion. Data is physically deleted from the file when resaving. That is why the “save as a copy” rule is the gold standard for video editing.